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<head><meta charset="utf-8"><title>rationale of differential-dataflow · t-compiler/wg-nll · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/index.html">t-compiler/wg-nll</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/rationale.20of.20differential-dataflow.html">rationale of differential-dataflow</a></h3>

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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/rationale%20of%20differential-dataflow/near/148095473" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Tatsuyuki Ishi <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/rationale.20of.20differential-dataflow.html#148095473">(Nov 21 2018 at 08:25)</a>:</h4>
<p>I was studying incremental computation and I found that Polonius used to be based on differential dataflow.</p>
<p>I wonder if the computation has anything to do with incremental-ness? Or if it's the other way around, how was differential dataflow useful for that case?</p>
<p>(I haven't fully understood Datalog yet, apology for that.)</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/rationale%20of%20differential-dataflow/near/148130745" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/rationale.20of.20differential-dataflow.html#148130745">(Nov 21 2018 at 18:59)</a>:</h4>
<p>differential dataflow just happened to be a very fast datalog engine; we were not using its incremental capabilities, though one can imagine doing that in the future</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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